EP4250693A1 - Elektronische vorrichtung mit scharniermodul - Google Patents

Elektronische vorrichtung mit scharniermodul Download PDF

Info

Publication number
EP4250693A1
EP4250693A1 EP22756490.3A EP22756490A EP4250693A1 EP 4250693 A1 EP4250693 A1 EP 4250693A1 EP 22756490 A EP22756490 A EP 22756490A EP 4250693 A1 EP4250693 A1 EP 4250693A1
Authority
EP
European Patent Office
Prior art keywords
coil spring
housing
hinge
spring member
accommodation portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22756490.3A
Other languages
English (en)
French (fr)
Other versions
EP4250693A4 (de
Inventor
Chanhee Oh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020210021670A external-priority patent/KR20220118045A/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP4250693A1 publication Critical patent/EP4250693A1/de
Publication of EP4250693A4 publication Critical patent/EP4250693A4/de
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H05K5/0226—Hinges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • H04M1/022—The hinge comprising two parallel pivoting axes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • G06F1/1618—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position the display being foldable up to the back of the other housing with a single degree of freedom, e.g. by 360° rotation over the axis defined by the rear edge of the base enclosure
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681—Details related solely to hinges
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel

Definitions

  • One or more embodiments of the instant disclosure generally relate to an electronic device including a hinge module.
  • Electronic devices may include a foldable electronic device that includes a first housing and a second housing rotatably connected to the first housing via a hinge device.
  • the first housing and the second housing may be structurally coupled to a hinge module included in the hinge device, and may be operated while being supported by the hinge module when the device is folded and/or unfolded.
  • the foldable electronic device may perform a folding operation and/or an unfolding operation based on the hinge device.
  • electronic devices may include a foldable electronic device in which its screen may be expanded by performing a folding operation and/or an unfolding operation. As the screen of the electronic device is expanded, the electronic device may provide a greater number of functionality, such as allowing an electronic pen to be better utilized.
  • a digitizer for recognizing inputs from the electronic pen may be included in the display module corresponding to the screen. In the electronic device, inputs from the electronic pen may be more accurately and precisely recognized via the digitizer. Since the electronic device includes the digitizer, it is necessary to manage the H-field of the magnetic field generated by the electronic pen and/or the digitizer.
  • An electronic device e.g., foldable electronic device
  • the hinge device may be implemented with a metallic material (e.g., metal structures) to increase rigidity of the electronic device.
  • the hinge device may include one or more coil spring members.
  • the coil spring members may be repeatedly compressed and then released.
  • friction may occur between the metal structures constituting the hinge device, and static electricity may be generated and accumulated in the hinge device due to the friction.
  • the coil spring members of the hinge device may at least partially generate a magnetic field based on the accumulated static electricity.
  • the magnetic field may at least partially magnetize the metal structures and may impair the H-field uniformity of the digitizer. In turn, the accuracy of the electronic pen via the digitizer may be deteriorated.
  • an electronic device may include a first housing, a second housing, a hinge device configured to connect the first housing and the second housing to be foldable about a folding axis, and a flexible display arranged to be supported by at least a part of the first housing, the second housing, and the hinge device.
  • the hinge device may include a hinge housing including an accommodation portion, at least one cam assembly arranged in the accommodation portion, at least two coil spring members providing a pressing force to the at least one cam assembly in a direction parallel to the folding axis, and at least one hinge plate configured to support the at least one cam assembly and having a longitudinal length parallel to the folding axis.
  • the at least two coil spring members may be coiled in opposite directions with respect to the folding axis.
  • a hinge device may include a hinge housing including an accommodation portion, and at least one hinge module arranged in one end and another end of the hinge housing.
  • the at least one hinge module may include a first support member and a second support member including a first accommodation portion, which is a partial area of the accommodation portion, and configured to be foldable with about a folding axis, at least one cam assembly arranged in the accommodation portion, and at least two coil spring members configured to provide a pressing force to the at least one cam assembly in a direction parallel to the folding axis.
  • the at least two coil spring members may be coiled in opposite directions with respect to the folding axis.
  • FIG. 1 is a view illustrating an unfolded state of an electronic device 200 according to an embodiment of the disclosure.
  • FIG. 2 is a view illustrating a folded state of an electronic device 200 of FIG. 1 according to an embodiment of the disclosure.
  • an electronic device 200 may include a pair of housings 210 and 220 (e.g., foldable housings) rotatably combined with each other based on a folding axis A1 through a hinge device (e.g., hinge device 300 of FIG. 3 ) so as to be folded with each other, a first display 230 (e.g., flexible display, foldable display, and/or main display) disposed through the pair of housings 210 and 220, and a second display 400 (e.g., sub-display).
  • a hinge module e.g., hinge module 320 of the hinge device (e.g., hinge device 300 of FIG.
  • a side on which the first display 230 is disposed may be defined as a front side of the electronic device 200, and an opposite side of the front side may be defined as a rear side of the electronic device 200. Further, a side surrounding a space between the front side and the rear side may be defined as a lateral side of the electronic device 200.
  • the pair of housings 210 and 220 may include the first housing 210 and the second housing 220 rotatably disposed to each other through the hinge device (e.g., hinge device 300 of FIG. 3 ).
  • the pair of housings 210 and 220 may not be limited to the shape and combination as illustrated in FIGS. 1 and 2 , and may be implemented by a different shape or part combinations and/or association.
  • the first housing 210 and the second housing 220 may be disposed on both sides around the folding axis A1, and may have a symmetric shape as a whole about the folding axis A1.
  • the first housing 210 and the second housing 220 may be asymmetrically folded based on the folding axis A1. According to an embodiment, the first housing 210 and the second housing 220 may have different angles or distances between them depending on whether the electronic device 200 is in an unfolded state, a folded state, or an intermediate state.
  • the first housing 210 in the unfolded state of the electronic device 200, may be connected to the hinge device (e.g., hinge device 300 of FIG. 3 ), and may include a first side 211 disposed to be directed toward the front side of the electronic device 200, a second side 212 directed toward an opposite direction of the first side 211, and a first side member 213 surrounding at least a part of a first space between the first side 211 and the second side 212.
  • the second housing 220 may be connected to the hinge device (e.g., hinge device 300 of FIG.
  • the electronic device 200 may include a recess 201 formed to accommodate the first display 230 through structural combination of the first housing 210 and the second housing 220.
  • the recess 201 may have substantially the same size as that of the first display 230.
  • the hinge housing 310 may be disposed between the first housing 210 and the second housing 220 so as to hide the hinge device (e.g., hinge device 300 of FIG. 3 ).
  • the hinge housing 310 may be hidden or exposed to an outside by parts of the first housing 210 and the second housing 220 depending on the unfolded state, the folded state, or the intermediate state of the electronic device 200.
  • the hinge housing 310 may be hidden by the first housing 210 and the second housing 220, and may not be exposed.
  • the hinge housing 310 in case that the electronic device 200 is in the folded state, the hinge housing 310 may be exposed to the outside between the first housing 210 and the second housing 220.
  • the hinge housing 310 in case of the intermediate state where the first housing 210 and the second housing 220 are folded with a certain angle, the hinge housing 310 may be at least partly exposed to the outside of the electronic device 200 between the first housing 210 and the second housing 220.
  • an area in which the hinge housing 310 is exposed to the outside may be smaller than that in a completely folded state.
  • the hinge housing 310 may include a curved side.
  • the first housing 210 and the second housing 220 form an angle of 180 degrees, and a first area 230a, a folding area 230c, and a second area 230b of the first display 230 may be disposed to form a plane and to be directed in the same direction.
  • the first housing 210 may be rotated at an angle of 360 degrees against the second housing 220, and may be reversely folded so that the second side 212 and the fourth side 222 face each other (out folding type).
  • the first side 211 of the first housing 210 and the third side 221 of the second housing 220 may be disposed to face each other.
  • the first area 230a and the second area 230b of the first display 230 may form a narrow angle (e.g., in the range of 0 to 10 degrees) with each other through the folding area 230c, and may be disposed to face each other.
  • at least a part of the folding area 230c may be formed as a curved side having a certain curvature radius.
  • the first housing 210 and the second housing 220 may be disposed with a certain angle.
  • the first area 230a and the second area 230b of the first display 230 may form an angle that is larger than the angle in the folded state and smaller than the angle in the unfolded state, and the curvature radius of the folding area 230c may be larger than that in the folded state.
  • the first housing 210 and the second housing 220 may form a designated folding angle at which they stop folding between the folded state and the unfolded state through the hinge device (e.g., hinge device 300 of FIG. 3 ) (free stop function).
  • the first housing 210 and the second housing 220 may operate as being pressed in a folding direction or in an unfolding direction based on a designated inflection angle through the hinge device (e.g., hinge device 300 of FIG. 3 ).
  • the electronic device 200 may include at least one of displays 230 and 400 disposed on the first housing 210 and/or the second housing 220, an input device 215, sound output devices 227 and 228, sensor modules 217a, 217b, and 226, camera modules 216a, 216b, and 225, a key input device 219, an indicator (not illustrated), or a connector port 229.
  • the electronic device 200 may omit at least one of constituent elements, or may additionally include at least one of other constituent elements.
  • the at least one display 230 and 400 may include the first display 230 (e.g., flexible display) disposed to be supported by the third side 221 of the second housing 220 through the hinge device (e.g., hinge device 300 of FIG. 3 ) from the first side 211 of the first housing 210, and the second display 400 disposed to be seen from the outside through the fourth side 222 in the inner space of the second housing 220.
  • the second display 400 may be arranged in the inner space of the housing 210 to be visible from the outside through the second surface 212.
  • the first display 230 may be mainly used in the unfolded state of the electronic device 200
  • the second display 400 may be mainly used in the folded state of the electronic device 200.
  • the first display 230 or the second display 400 may be used based on the folding angle of the first housing 210 and the second housing 220.
  • the first display 230 may be disposed in a space formed by the pair of housings 210 and 220.
  • the first display 230 may be seated in a recess 201 formed by the pair of housings 210 and 220, and may be disposed to occupy substantially most of the front side of the electronic device 200.
  • the first display 230 may include the flexible display of which at least a partial area can be transformed into a planar or curved side.
  • the first display 230 may include the first area 230a facing the first housing 210, the second area 230b facing the second housing 220, and the folding area 230c connecting the first area 230a and the second area 230b, and facing the hinge device (e.g., hinge device 300 of FIG. 3 ).
  • the area division of the first display 230 is merely an exemplary physical division by a pair of housings 210 and 220 and the hinge device (e.g., hinge device 300 of FIG. 3 ), and the first display 230 may substantially display one seamless full screen through the pair of housings 210 and 220 and the hinge device (e.g., hinge device 300 of FIG. 3 ).
  • the first area 230a and the second area 230b may have a symmetric shape as a whole based on the folding area 230c, or may have a partly asymmetric shape.
  • the electronic device 200 may include a first rear cover 240 disposed on the second side 212 of the first housing 210, and a second rear cover 250 disposed on the fourth side 222 of the second housing 220.
  • at least a part of the first rear cover 240 may be formed in a body with the first side member 213.
  • at least a part of the second rear cover 250 may be formed in a body with the second side member 223.
  • at least one of the first rear cover 240 and the second rear cover 250 may be formed through a substantially transparent plate (e.g., glass plate including various coating layers or polymer plate) or an opaque plate.
  • the first rear cover 240 may be formed through the opaque plate, such as coated or colored glass, ceramic, polymer, metal (e.g., aluminum, stainless steel (STS), or magnesium), or a combination of at least two of the above materials.
  • the second rear cover 250 may be formed through a substantially transparent plate, such as glass or polymer. Accordingly, the second display 400 may be disposed to be seen from the outside through the second rear cover 250 in the inner space of the second housing 220.
  • the input device 215 may include a microphone.
  • the input device 215 may include a plurality of microphones disposed to be able to detect the direction of sound.
  • the sound output devices 227 and 228 may include speakers.
  • the sound output devices 227 and 228 may include a call receiver 227 disposed through the fourth side 222 of the second housing 220 and an external speaker 228 disposed through the side member of the second housing 220.
  • the input device 215, the sound output devices 227 and 228, and the connector 229 may be disposed in the spaces of the first housing 210 and/or the second housing 220, and may be exposed to an external environment through at least one hole formed on the first housing 210 and/or the second housing 220.
  • the holes formed on the first housing 210 and/or the second housing 220 may be commonly used for the input device 215 and the sound output devices 227 and 228.
  • the sound output devices 227 and 228 may include a speaker (e.g., piezo-electric speaker) operating in a state where the holes formed on the first housing 210 and/or the second housing 220 are excluded.
  • the camera modules 216a, 216b, and 225 may include the first camera module 216a disposed on the first side 211 of the first housing 210, the second camera module 216b disposed on the second side 212 of the first housing 210, and/or the third camera module 225 disposed on the fourth side 222 of the second housing 220.
  • the electronic device 200 may include a flash 218 disposed near the second camera module 216b.
  • the flash 218 may include, for example, a light emitting diode or a xenon lamp.
  • the camera modules 216a, 216b, and 225 may include one or a plurality of lenses, an image sensor, and/or an image signal processor.
  • At least one of the camera modules 216a, 216b, and 225 may include two or more lenses (wide-angle lens and telephoto lens) and image sensors, and may be disposed together on any one side of the first housing 210 and/or the second housing 220.
  • the sensor modules 217a, 217b, and 226 may generate electrical signals or data values corresponding to an internal operation state of the electronic device 200 or an external environment state.
  • the sensor modules 217a, 217b, and 226 may include the first sensor module 217a disposed on the first side 211 of the first housing 210, the second sensor module 217b disposed on the second side 212 of the first housing 210, and/or the third sensor module 226 disposed on the fourth side 222 of the second housing 220.
  • the sensor modules 217a, 217b, and 226 may include at least one of a gesture sensor, a grip sensor, a color sensor, an infrared (IR) sensor, an illuminance sensor, an ultrasonic sensor, an iris recognition sensor, or a distance detection sensor (TOF sensor or RiDAR scanner).
  • a gesture sensor e.g., a gesture sensor, a grip sensor, a color sensor, an infrared (IR) sensor, an illuminance sensor, an ultrasonic sensor, an iris recognition sensor, or a distance detection sensor (TOF sensor or RiDAR scanner).
  • the electronic device 200 may further include at least one of non-illustrated sensor modules, for example, a barometric pressure sensor, a magnetic sensor, a biosensor, a temperature sensor, a humidity sensor, or a fingerprint recognition sensor.
  • the fingerprint recognition sensor may be disposed through at least one of the first side member 213 of the first housing 210 and/or the second side member 223 of the second housing 220.
  • the key input device 219 may be disposed to be exposed to the outside through the first side member 213 of the first housing 210. In a certain embodiment, the key input device 219 may be disposed to be exposed to the outside through the second side member 223 of the second housing 220. In a certain embodiment, the electronic device 200 may not include parts or all of the above-mentioned key input devices 219, and the key input device 219 that is not included may be implemented in other forms, such as a soft key, on the at least one display 230 and 400. As another embodiment, the key input device 219 may be implemented using a pressure sensor included in the at least one display 230 and 400.
  • the connector port 229 may accommodate connectors (e.g., USB connector or interface connector port (IF) module) for transmitting or receiving a power and/or data to or from an external electronic device.
  • the connector port 229 may perform a function for transmitting or receiving an audio signal to or from the external electronic device together, or may further include a separate connector port (e.g., ear-jack hole) for performing audio signal transmission/reception.
  • At least one camera device 216a and 225 among the camera modules 216a, 216b, and 225, at least one sensor module 217a and 226 among the sensor modules 217a, 217b, and 226, and/or the indicator may be disposed to be exposed through the at least one display 230 and 400.
  • the at least one camera modules 216a and 225, the at least one sensor module 217a and 226, and/or the indicator may be disposed under a display area of the display 230 in the inner space of the at least one housing 210 and 220, and may be disposed to come in contact with the external environment through an opening perforated up to the cover member (e.g., window layer (not illustrated) of the first display 230 and/or the second rear cover 250).
  • areas in which the displays 230 and 400 and one or more camera module 216a and 225 overlap may be formed as a transmission area having a predetermined transmittance as a part of the content display area.
  • the transmission area may have a transmittance in the range of about 5% to about 20%.
  • the transmission area may include an area overlapping the effective area (e.g., view angle area) of at least one camera module 216a or 225 through which light may pass through the transmission area to be captured by an image sensor to generate an image.
  • the transmission area of the displays 230 and 400 may include an area having a lower pixel density than other areas of the displays 230 and 400.
  • the transmission area may replace the opening.
  • the at least one camera module 216a or 225 may include an under-display camera (UDC).
  • UDC under-display camera
  • some camera modules or sensor modules 217a and 226 may be arranged to perform the functions thereof without being visually exposed through the display.
  • the areas facing the camera modules 216a and 225 and/or the sensor modules 217a and 226 arranged under the displays 230 and 400 e.g., a display panel
  • the displays 230 and 400 e.g., a display panel
  • UDC under-display camera
  • FIG. 3 is an exploded perspective view of an electronic device 200 according to an embodiment of the disclosure.
  • the electronic device 200 may include the first display 230, the second display 400, a support member assembly 260, at least one printed circuit board 270, the first housing 210, the second housing 220, the first rear cover 240, and the second rear cover 250.
  • the first display 230 may include a display panel 231 (e.g., flexible display panel), and one or more plates 232 or layers on which the display panel 231 (e.g., flexible display panel) is seated.
  • a display panel 231 may include a first panel area 231a corresponding to a first area (e.g., the first area 230a in FIG. 1 ) of the display 230, a second panel area 231b extending from the first panel area and corresponding to a second area (e.g., the second area 230b in FIG.
  • the one or more plates 232 may include a conductive plate (e.g., Cu sheet or SUS sheet) disposed between the display panel 231 and the support member assembly 260.
  • the one or more plates 232 may be formed to have substantially the same area as that of the first display 230, and the area facing the folding area 230c of the first display 230 may be bendably formed.
  • the one or more plates 232 may include at least one subsidiary material layer (e.g., graphite member) disposed on the rear side of the display panel 231. According to an embodiment, the one or more plates 232 may be formed in the shape corresponding to the display panel 231.
  • at least one subsidiary material layer e.g., graphite member
  • the second display 400 may be disposed in a space between the second housing 220 and the second rear cover 250. According to an embodiment, the second display 400 may be disposed to be seen from the outside through substantially the total area of the second rear cover 250 in the space between the second housing 220 and the second rear cover 250.
  • the support member assembly 260 may include a first support member 261 (e.g., the first support plate) and a second support member 262 (e.g., the second support plate).
  • the first support member 261 may be rotatably coupled to the second support member 262 via the hinge device 300.
  • the electronic device 200 may include at least one wiring member 263 (e.g., flexible printed circuit board (FPCB)) extending from at least a portion of the first support member 261 across the hinge device 300 to a portion of the second support member 262.
  • the support member assembly 260 may be arranged between the at least one plate 232 and the at least one printed circuit board 270.
  • the first support member 261 may be arranged between the first area (e.g., the first area 230a in FIG. 1 ) of the first display 230 and the first printed circuit board 271.
  • the second support member 262 may be arranged between the second area (e.g., the second area 230b in FIG. 2 ) of the first display 230 and the second printed circuit board 272.
  • at least a portion of the at least one wiring member 263 and/or the hinge device 300 may be arranged to be supported by at least a portion of the support member assembly 260.
  • the at least one wiring member 263 may be arranged in a direction to be across the first support member 261 and the second support member 262 (e.g., in the x-axis direction). According to an embodiment, the at least one wiring member 263 may be arranged in a direction substantially perpendicular (e.g., in the x-axis direction) to the folding axis (e.g., the y-axis or the folding axis A1 in FIG. 1 ) of the folding area 230c.
  • the at least one printed circuit board 270 may include a first printed circuit board 271 disposed to face the first support member 261 and a second printed circuit board 272 disposed to face the second support member 262.
  • the first printed circuit board 271 and the second printed circuit board 272 may be disposed in the inner space that is formed by the support member assembly 260, the first housing 210, the second housing 220, the first rear cover 240, and/or the second rear cover 250.
  • the first printed circuit board 271 and the second printed circuit board 272 may include a plurality of electronic components disposed to implement various functions of the electronic device 200.
  • the first support member 261 is a component of the first housing 210 and may at least partially extend from the first side member 213 to a first space (e.g., first inner space) defined by the first housing 210.
  • the second support member 262 is a component of the second housing 220 and may at least partially extend from the second side member 223 to a second space (e.g., second inner space) defined by the second housing 220.
  • the electronic device 200 may include a first printed circuit board 271 arranged in the first space of the first housing 210, a first battery 291 arranged at a position facing a first swelling hole 2611 in the first support member 261, at least one camera module 282 (e.g., the first camera module 216a and/or the second camera module 216b in FIG. 1 ), or at least one sensor module 281 (e.g., the first sensor module 217a and/or the second sensor module 217b in FIG. 1 ).
  • the electronic device 200 may include a second printed circuit board 272 arranged in the second space of the second housing 220, or a second battery 292 arranged at a position facing a second swelling hole 2621 in the second support member 262.
  • the first housing 210 and the first support member 261 may be integrated with each other.
  • the second housing 220 and the second support member 262 may be integrated with each other.
  • the first housing 210 may include a first rotation support side 214
  • the second housing 220 may include a second rotation support side 224 corresponding to the first rotation support side 214
  • the first rotation support side 214 and the second rotation support side 224 may include a curved side corresponding (naturally connected) to a curved side included in the hinge housing 310.
  • the first rotation support side 214 and the second rotation support side 224 may cover the hinge housing 310, and may not expose the hinge housing 310 to the rear side of the electronic device 200, or may minimally expose the hinge housing 310.
  • the first rotation support side 214 and the second rotation support side 224 may be rotated along the curved side included in the hinge housing 310, and may maximally expose the hinge housing 310 to the rear side of the electronic device 200.
  • the hinge device 300 may include a hinge housing 310 and at least one hinge module 320 arranged in an accommodation portion (e.g., the accommodation portion 3101 in FIG. 4 ) of the hinge housing 310.
  • the hinge module 320 may be fixed to the accommodation portion 3101 of the hinge housing 310, and may be connected to the first support member 261 and the second support member 262 via at least one rotator (e.g., the rotators 331, 332, 333, and 334 in FIG. 4A ).
  • FIG. 4A is an exploded perspective view of the electronic device according to an embodiment of the disclosure.
  • FIG. 4B is a perspective view illustrating the electronic device according to an embodiment of the disclosure in the folded state.
  • the electronic device 200 includes a first housing 210 including a first side member 213, a second housing 220 including a second side member 223, a hinge device 300 interconnecting the first housing 210 and the second housing 220 to be rotatable relative to each other, and a display 230 (e.g., the first display 230 in FIG. 1 ) arranged to be supported by the first housing 210, the hinge device 300, and the second housing 220.
  • the electronic device 200 may further include a first protective frame 235 coupled to the first housing 210 and a second protection frame 236 coupled to the second housing 220 with the edges of the display 230 interposed therebetween.
  • the first housing 210 and the second housing 220 may be operated to be folded or unfolded relative to each other about the folding axis A1 via the hinge device 300.
  • the hinge device 300 may include a hinge housing 310 having a length in a direction substantially parallel to the folding axis A1 (e.g., the y-axis direction), the hinge device 300 including an accommodation portion 3101 and at least one hinge module 320 fixed to the accommodation portion 3101 of the hinge housing 310.
  • the at least one hinge module 320 may include one or more rotators 331, 332, 333, or 334 in the shape of plates that are used to connect the first housing 210 and the second housing 220 to be foldable relative to each other.
  • the hinge housing 310 may include a cover portion 311 arranged to have a length along the folding axis A1, a first closed end 312 extending from one end of the cover portion 311, and a second closed end 313 (a second closed end) extending from the other end of the cover portion 311.
  • the accommodation portion 3101 may be provided by the cover portion 311, the first closed end 312, and the second closed end 313.
  • the cover portion 311 may include a curved outer surface and, when folded, may be exposed to be at least partially visible to the outside.
  • the accommodation portion 3101 may be opened in the direction toward the display 230 and may have a fixing structure and/or a seating structure to which at least one hinge module 320 can be fixed.
  • the at least one hinge module 320 may provide a pressing force in the folded direction or the unfolded direction about an inflection point via a hinge shaft, a hinge cam, and a hinge spring, which are sequentially arranged in the direction substantially parallel to the folding axis A1, although the hinge shaft, the hinge cam, and the hinge spring are not denoted by reference numerals in FIGs. 4A-4B .
  • the pressing force may be provided via the cam member that presses the hinge cam in the longitudinal direction of the hinge shaft.
  • the one or more rotator 331, 332, 333, and 334 may include a first rotator 331 coupled to the first support member 261 of the first housing 210 near the first closed end 312, which is the upper area of the hinge housing 310, a second rotator 332 coupled to the second support member 262 of the second housing 220 near the first closed end 312, which is the upper area of the hinge housing, a third rotator 333 coupled to the first support member 261 of the first housing 210 near the second closed end 313, which is the lower area of the hinge housing 310, and a fourth rotator 334 coupled to the second support member 262 of the second housing 220 near the second closed end 313, which is the lower area of the hinge housing.
  • the one or more rotators 331, 332, 333, and 334 may be coupled to the first support member 261 and the second support member 262 via fastening members such as screws.
  • the hinge housing 310 may be connected to the first housing 210 and the second housing 220 via at least one hinge module 320.
  • the at least one hinge module 320 including the one or more rotators 331, 332, 333, and 334 may be coupled to the first support member 261 and the second support member 262 to have a substantially flat surface in order to accommodate the display 230.
  • FIG. 5 is a schematic view of an electronic device illustrating an arrangement state of a hinge device according to an embodiment of the disclosure.
  • FIG. 5 illustrates an arrangement relationship between the hinge device 300 and the first and second housings 210 and 220 when the electronic device is in the unfolded state.
  • the electronic device 200 may include a first housing 210, a second housing 220, and a hinge device 300 configured to rotatably connect the first housing 210 and the second housing 220.
  • the hinge device 300 may include a hinge housing 310 having a length in the direction substantially parallel to the folding axis A1 (e.g., in the y-axis direction) and including an accommodation portion 3101, and at least one hinge module 320 including rotators 331, 332, 333, and 334 fixed to the accommodation portion 3101 of the housing 310 and fixed to the first housing 210 and the second housing 220.
  • the rotators 331, 332, 333, and 334 may include a first rotator 331 and a second rotator 332 arranged in the accommodation portion 3101 of the hinge housing 310 near the first closed end 312 and coupled to the first housing 210 and the second housing 220, respectively.
  • the rotators 331, 332, 333, and 334 may include a third rotator 333 and a fourth rotator 334 arranged in the accommodation portion 3101 of the hinge housing 310 near the second closed end 313 and coupled to the first housing 210 and the second housing 220, respectively.
  • FIG. 6A is an exemplary view illustrating the front part of a hinge module 320 according to an embodiment of the disclosure.
  • FIG. 6B is an exemplary view illustrating the rear part of a hinge module according to an embodiment of the disclosure.
  • the hinge module 320 illustrated FIGs. 6A and 6B is the hinge module 320 arranged adjacent to the first closed end (e.g., the first closed end 312 in FIG. 5 ), which is the upper area of the hinge housing (e.g., the hinge housing 310 in FIG. 3 ),
  • the hinge modules 320 arranged in the upper area and/or the lower area of the hinge housing 310 may be configured with substantially the same components.
  • the hinge module 320 may include a first rotator 331 at least partially bonded to the first housing (e.g., the first housing 210 in FIG. 2 ), a second rotator 332 at least partially bonded to the second housing (e.g., the second housing 220 in FIG.
  • a center bar 612 e.g., a hinge plate
  • a first arm 621 e.g., first hinge housing
  • a second arm 622 e.g., second hinge housing
  • the first and second arm support the folding operation and the unfolding operation of the electronic device 200.
  • the first rotator 331, the second rotator 332, the center bar 612, the first arm 621, and the second arm 622 are may be implemented to have substantially the same plane as the first housing 210 and the second housing 220 when the electronic device (e.g., the electronic device 200 in FIG. 1 ) is in the unfolded state.
  • the first rotator 331 and the second rotator 332 may perform the folding operation using the folding axis A1 (e.g., the center bar 612) as the center of the folding.
  • the first rotator 331 and the first arm 621 may be fixed via the first pin 623-1 and may move substantially together as one assembly.
  • the second rotator 332 and the second arm 622 may be fixed via the second pin 623-2 and may move substantially together as one assembly.
  • the first arm 621 may include a first accommodation portion 640-1 in which one or more components may be accommodated
  • the second arm 622 may include a second accommodation portion 640-2 in which one or more components may be accommodated.
  • the first accommodation portion 640-1 and the second accommodation portion 640-2 may be at least partially disposed in the accommodation portion (e.g., the accommodation portion 3101 in FIG. 4A ) of the hinge device (e.g., the hinge device 300 in FIG. 3 ).
  • the first arm 621 and the second arm 622 may be configured to be substantially the same, and hereinafter, the description of the first arm 621 may equally apply to the second arm 622.
  • the hinge module 320 may be a component (e.g., assembly) that supports the electronic device 200 to perform the folding and unfolding operations.
  • the first rotator 331 and the second rotator 332 may be at least partially coupled to a rotator bracket 606.
  • the rotator bracket 606 may support the folding and unfolding of the first rotator 331 and the second rotator 332 when the electronic device performs the folding operation and the unfolding operation.
  • the electronic device 200 may include at least one shaft (e.g., first shaft 605-1 and second shaft 605-2) such that the folding operation and the unfolding operation are performed about the folding axis A1.
  • the at least one shaft may be arranged to at least partially penetrate the first arm 621 and the second arm 622.
  • the first shaft 605-1 may move substantially together with the first housing 210
  • the second shaft 605-2 may move substantially together with the second housing 220.
  • the first arm 621 and the second arm 622 may be at least partially coupled to the cam bracket 619, and at least one shaft may pass through the cam bracket 619.
  • the first arm 621 may include, in the first accommodation portion 640-1, at least one cam assembly (e.g., the first cam 613 and the second cam 615), the center bar bracket 614, and/or at least one coil spring member (e.g., the first coil spring member 601 and second coil spring member 602).
  • the at least one shaft e.g., the first shaft 605-1 may fix at least one cam assembly arranged in the first accommodation portion 640-1, the center bar bracket 614, and/or the at least one coil spring member to the stopper 611 while at least partially penetrating at least one cam assembly, the center bar bracket, and/or the at least one coil spring member.
  • the first cam 613, the first coil spring member 601, the center bar bracket 614, the second coil spring member 602, and/or the second cam 615 may be sequentially disposed.
  • the first accommodation portion 640-1 may be a portion of the accommodation portion 3101 of FIG. 4A .
  • the at least one shaft may be implemented to correspond to the length of the center bar 612 arranged in the direction substantially parallel to the folding axis A1 (e.g., in the y-axis direction).
  • the at least one shaft may at least partially penetrate the at least one cam assembly (e.g., the third cam 616), the at least one coil spring member (e.g., the third coil spring 603), the shaft bracket 617, and the support member 618.
  • the portion of the at least one shaft penetrating these components may correspond to an external area outside the first accommodation portion 640-1 of the first arm 621 (e.g., area outside the first accommodation portion 640-1 in the accommodation portion 3101).
  • first shaft 605-1 may sequentially pass through the third cam 616, the third coil spring member 603, the shaft bracket 617, and the support member 618.
  • a cam bracket 619 may be arranged between the second cam 615 and the third cam 616.
  • the at least one cam assembly (e.g., the first cam 613, the second cam 615, and the third cam 616), the center bar bracket 614, and/or the shaft bracket 617 may be implemented to be symmetrical about the center bar 612, and the position and shape thereof may be fixed.
  • the at least one shaft may perform a rotational movement in response to the performance of the operation.
  • the at least one cam assembly e.g., first cam 613, second cam 615, and third cam 616
  • the center bar bracket 614, and/or the shaft bracket 617 may be maintained to be fixed in place even when the electronic device 200 performs the folding operation and the unfolding operation, although the at least one cam assembly may rotate with the at least one shaft.
  • the hinge module 320 may at least partially generate a pressing force in the at least one cam assembly, the at least one coil spring member, and the center bar bracket sequentially arranged in a direction substantially parallel to the folding axis A1.
  • the hinge module 320 may generate the pressing force by the folding operation and the unfolding operation with reference to an inflection point (e.g., a point at which at least one shaft is arranged).
  • the pressing force may be generated in response to the folding operation and the unfolding operation of the electronic device 200, and the at least one coil spring member (e.g., the first coil spring member 601, the second coil spring member 602, and/or the third coil spring member 603) may be at least partially contracted (e.g., compressed) or relaxed by the pressing force.
  • the at least one coil spring member e.g., the first coil spring member 601, the second coil spring member 602, and/or the third coil spring member 603
  • the at least one coil spring member e.g., the first coil spring member 601, the second coil spring member 602, and/or the third coil spring member 603
  • the at least one coil spring member e.g., the first coil spring member 601, the second coil spring member 602, and/or the third coil spring member 603
  • FIG. 7A is a front exploded perspective view of the hinge module according to an embodiment of the disclosure.
  • FIG. 7B is a rear exploded perspective view of the hinge module according to an embodiment of the disclosure.
  • FIG. 7A is a perspective view illustrating the front of the disassembled components of the hinge module
  • FIG. 7B is a perspective view illustrating the rear of the disassembled components of the hinge module.
  • FIG. 7A corresponds to FIG. 6A
  • FIG. 7B corresponds to FIG. 6B .
  • the first rotator 331 at least partially bonded to the first housing (e.g., the first housing 210 in FIG. 2 ) and the second rotator 332 at least partially bonded to the second housing (e.g., the second housing 220 in FIG. 2 ) may at least partially support the folding operation and the unfolding operation of the electronic device about the center bar 612 arranged along the direction substantially parallel to the folding axis A1.
  • the first rotator 331 and the second rotator 332 may be at least partially fixed by the rotator bracket 620.
  • the first arm 621 and the second arm 622 may accommodate at least one component, and may be implemented to be able to be penetrated by at least one shaft (e.g., the first shaft 605-1 and the second shaft 605-2).
  • the at least one shaft (e.g., the first shaft 605-1 and the second shaft 605-2) may be fixed to a stopper 611, and may be arranged to pass through at least one cam assembly (e.g., the first cam 613, the second cam 615, and the third cam 616), the center bar bracket 614, the at least one coil spring member (e.g., the first coil spring member 601, the second coil spring member 602, and the third coil spring member 603), the cam bracket 619, the shaft bracket 617, and/or the support member 618.
  • at least one cam assembly e.g., the first cam 613, the second cam 615, and the third cam 616
  • the center bar bracket 614 e.g., the at least one coil spring member (e.g., the first coil spring member 601, the second coil spring member 602, and the third coil spring member 603)
  • the cam bracket 619 e.g., the first coil spring member 601, the second coil spring member 602, and the third coil spring member 603
  • first shaft 605-1 may sequentially pass through the first cam 613, the first coil spring member 601, the center bar bracket 614, the second coil spring member 602, the second cam 615, the cam bracket 619, the third cam 616, the third coil spring member 603, the shaft bracket 617 and/or the support member 618, starting from the stopper 611.
  • At least one shaft may be fixed to the stopper 611, and the stopper 611 may be at least partially fixed to the rotator bracket 620 via a gear member 624 (e.g., an idle gear).
  • the stopper 611 may be implemented such that at least one shaft (e.g., the first shaft 605-1 and the second shaft 605-2) can perform rotation movements at various angles.
  • the folding and unfolding operations about the folding axis A1 done by the first rotator 331 and the second rotator 332 may be facilitated via the gear member 624.
  • the first rotator 331 and the second rotator 332 may perform the folding and unfolding operations about the folding axis A1 by a predetermined angle.
  • the at least one coil spring member may be coiled in a specific direction (e.g., clockwise or counterclockwise), and a magnetic field may be generated based on the coiled direction.
  • a specific direction e.g., clockwise or counterclockwise
  • the direction of the magnetic field may be determined based on the coiled direction.
  • generated magnetic fields may overlap each other, and the strength of the magnetic field may increase.
  • FIG. 8 is a first exemplary view illustrating an arrangement direction of coil spring members according to an embodiment of the disclosure.
  • the electronic device e.g., the electronic device 200 in FIG. 1 , e.g. foldable electronic device
  • repeatedly performs the folding and unfolding operations using the hinge device e.g., the hinge device 300 in FIG. 3 .
  • the electronic device 200 requires a certain level of rigidity when performing the folding operation and the unfolding operation.
  • At least one hinge module 320 included in the hinge device 300 may be implemented in a structure in which at least some metal (e.g., metal structures) are included in order to increase the rigidity of the electronic device 200.
  • the hinge module 320 may include at least one coil spring member in order to support rotational operations of the metal structures about at least one shaft (e.g., the first shaft 605-1 and the second shaft 605-2) or to prevent wear of the metal structures.
  • the at least one coil spring member may be repeatedly compressed or released.
  • the at least one coil spring member may be retracted or relaxed.
  • At least one coil spring member included in the hinge module 320 may generate a magnetic field based on the accumulated static electricity.
  • the magnetic field may at least partially magnetize the metal structures, and may impair the uniformity of the H-field (e.g., magnetic field) of the digitizer included in a display (e.g., the first display 230 and the second display 400 in FIG. 1 ) of the electronic device 200.
  • the digitizer due to the magnetic field generated inside the electronic device 200, the digitizer may be damaged, and the accuracy of detection of inputs from the electronic pen may deteriorate.
  • the direction of the magnetic field may be determined based on the coiling direction of the at least one coil spring member included in the hinge module 320.
  • the first magnetic field generated based on the first coil spring member 601 and the second magnetic field generated based on the second coil spring member 602 may have the same magnetic field direction.
  • the first magnetic field and the second magnetic field having the same magnetic field direction may at least partially overlap, and the strength of the combined magnetic field may be increased.
  • the first coil spring member 601 and the second coil spring member 602 included in the hinge module 320 may be coiled in opposite directions.
  • the first coil spring member 601 and the second coil spring member 602 may be arranged in a configuration where they are penetrated by the first shaft (e.g., the first shaft 605-1 in FIG. 6A ) arranged in the direction substantially parallel with the folding axis A1 of the electronic device 200 (e.g., in the y-axis direction).
  • a center bar bracket e.g., the center bar bracket 614 in FIG. 6A
  • the first coil spring member 601 and the second coil spring members 602 may be located adjacent to each other.
  • the first coil spring member 601 may be coiled in a first direction 801 (e.g., clockwise), and the second coil spring member 602 may be coiled in a second direction 802 (e.g., counterclockwise).
  • the first coil spring member 601 and the second coil spring member 602 may generate a magnetic field therearound based on the coiled directions thereof.
  • the first coil spring member 601 coiled in the first direction 801 may generate a first magnetic field
  • the coiled second coil spring member 602 coiled in the second direction 802 which is opposite to the first direction 801, may generate a second magnetic field corresponding to the direction opposite to the first magnetic field.
  • the first magnetic field and the second magnetic field are magnetic fields formed in opposite directions, and may cancel each other.
  • the first magnetic field and the second magnetic field cancel each other, and the magnetization of the hinge module 320 may be reduced.
  • the first magnetic field generated by the first coil spring member 601 and the second magnetic field generated by the second coil spring member 602 may cancel each other.
  • the second magnetic field generated by the second coil spring member 602 and the third magnetic field generated by the third coil spring member 603 may cancel each other.
  • the first coil spring member 601 and the second coil spring member 602 arranged to correspond to the first arm may be coiled in opposite directions.
  • a second arm e.g., the second arm 622 in FIG. 6A
  • at least one coil spring member may be arranged in a second arm (e.g., the second arm 622 in FIG. 6A ) arranged to be symmetrical to the first arm 621 with respect to the folding axis (e.g., the folding axis A1 in FIG. 6A )
  • at least one coil spring member may be arranged.
  • a plurality of coil spring members arranged to correspond to the second arm 622 may also be coiled in opposite directions.
  • a fourth coil spring member 604 arranged to correspond to the second arm 622 may be arranged relatively close to the first coil spring member 601, and magnetic fields affect each other.
  • the fourth coil spring member 604 may be coiled in a direction (e.g., the second direction 802, counterclockwise) opposite to the coiled direction (e.g., the first direction 801, clockwise) of the first coil spring member 601.
  • the first magnetic field generated by the first coil spring member 601 and the fourth magnetic field generated by the fourth coil spring member 604 may cancel each other.
  • FIG. 9 is a second exemplary view illustrating an arrangement direction of coil spring members according to an embodiment of the disclosure.
  • the first coil spring member 601 may be coiled in a first direction 801 (e.g., clockwise), and the second coil spring member 602 may be coiled in a second direction 802 (e.g., counterclockwise).
  • the first coil spring member 601 and the second coil spring member 602 may generate a magnetic field therearound based on the coiled directions thereof.
  • the first coil spring member 601 coiled in the first direction 801 may generate a first magnetic field
  • the second coil spring member 602 coiled in the second direction 802 which is opposite to the first direction 801, may generate a second magnetic field corresponding to a direction opposite to the first magnetic field.
  • the first magnetic field and the second magnetic field are magnetic fields formed in opposite directions, and may cancel each other. Since the first magnetic field and the second magnetic field cancel each other, and the magnetization of the hinge module 320 may be reduced.
  • the hinge module 320 may include a first arm (e.g., the first arm 621 in FIG. 6A ) and a second arm (e.g., the second arm 622 in FIG. 6A ) that are symmetrical with respect to the folding axis (e.g., the folding axis A1 in FIG. 6A ).
  • the first arm 621 may include the first coil spring member 601 and the second coil spring member 602, which are coiled in opposite directions. At least one coil spring member may also be arranged in the second arm 622 arranged symmetrical to the first arm 621.
  • the second arm 622 may also be arranged in a state in which the coil spring members coiled in opposite directions are located adjacent to each other.
  • the fourth coil spring member 604 arranged to correspond to the second arm 622 is arranged relatively close to the first coil spring member 601, but the spring members may be coiled in the same direction as each other.
  • the hinge module 320 may include at least one coil spring member, and the coil spring members (e.g., the first coil spring member 601 and the second coil spring member 602) arranged adjacent to each other may be coiled in opposite directions.
  • the first magnetic field generated by the first coil spring member 601 and the second magnetic field generated by the second coil spring member 602 may cancel each other.
  • magnetic fields generated between the coil spring members included in the hinge module 320 and located adjacent to each other may be canceled, and a magnetization phenomenon on the hinge module 320 may be reduced.
  • the H-field (e.g., magnetic field) of the digitizer included in a display e.g., the first display 230 or the second display 400 of FIG. 1
  • a display e.g., the first display 230 or the second display 400 of FIG. 1
  • an electronic device may include a first housing (e.g., the first housing 210 in FIG. 1 ), a second housing (e.g., the second housing 220 in FIG. 1 ), a hinge device (e.g., the hinge device 300 in FIG. 3 ) connecting the first housing 210 and the second housing 220 to each other to be foldable about a folding axis (e.g., the folding axis A1 in FIG. 1 ), a flexible display (e.g., the first display 230 in FIG. 2 ) arranged to be supported by at least a part of the first housing 210, the second housing 220, and the hinge device 300.
  • a first housing e.g., the first housing 210 in FIG. 1
  • a second housing e.g., the second housing 220 in FIG. 1
  • a hinge device e.g., the hinge device 300 in FIG. 3
  • the hinge device 300 includes a hinge housing (e.g., the hinge housing 310 in FIG. 3 ) including an accommodation portion (e.g., the accommodation portion 3101 in FIG. 4A ), at least one cam assembly arranged in the accommodation portion 3101, at least two coil spring members configured to provide a pressing force to the at least one cam assembly in a direction parallel to the folding axis A1, and at least one hinge plate (e.g., the center bar 612 in FIG. 6 ) configured to support the at least one cam assembly and having a longitudinal length parallel to the folding axis.
  • the at least two coil spring members may be coiled in opposite directions with respect to the folding axis A1.
  • the hinge device 300 may further include at least one shaft (e.g., the first shaft 605-1 and the second shaft 605-2 in FIG. 6A ) arranged in the accommodation portion 3101 and passing through the at least one cam assembly and the at least two coil spring members.
  • at least one shaft e.g., the first shaft 605-1 and the second shaft 605-2 in FIG. 6A
  • the at least one cam assembly may include a first cam assembly (e.g., the first cam 613 in FIG. 6A ) and a second cam assembly (e.g., the second cam 615 in FIG. 6A ), and in the hinge device 300, the at least two coil spring members may be arranged between the first cam assembly 613 and the second cam assembly 615 along the at least one shaft (e.g., the first shaft 605-1).
  • the at least two coil spring members may include a first coil spring member (e.g., the first coil spring member 601 in FIG. 6A ) and a second coil spring member (e.g., the second coil spring member 602 in FIG. 6A ), and the hinge device 300 may further include a center bar bracket (e.g., the center bar bracket 614 in FIG. 6A ) arranged between the first coil spring member 601 and the second coil spring member 602.
  • a center bar bracket e.g., the center bar bracket 614 in FIG. 6A
  • the first coil spring member 601 may be coiled along a first direction
  • the second coil spring member 602 may be coiled along a second direction opposite to the first direction
  • the position of the center bar bracket 614 may be fixed by the hinge plate 612.
  • first cam assembly 613 and the second cam assembly 615 may be at least partially coupled to at least one bracket provided in the accommodation portion 3101.
  • the at least two coil spring members may be repeatedly compressed or relaxed by the pressing force.
  • the hinge device may include a hinge housing (e.g., the hinge housing 310 in FIG. 3 ) including an accommodation portion (e.g., the accommodation portion 3101 in FIG. 4A ), and at least one hinge module (e.g., the hinge modules 320 in FIG. 3 ) arranged in one end and the other end of the hinge housing 310.
  • the at least one hinge module may include a first accommodation portion, which is a partial area of the accommodation portion 3101, and may include a first support member (e.g., the first arm 621 in FIG. 6A ) and a second support member (e.g., the second arm 622 in FIG.
  • a folding axis e.g., the folding axis A1 in FIG. 1
  • at least one cam assembly arranged in the accommodation portion 3101
  • at least two coil spring members configured to provide a pressing force to the at least one cam assembly in a direction parallel to the folding axis A1.
  • the at least two coil spring members may be coiled in opposite directions with respect to the folding axis A1.
  • the hinge device 300 may further include at least one shaft (e.g., the first shaft 605-1 and the second shaft 605-2 in FIG. 6A ) arranged in the accommodation portion 3101 and passing through the at least one cam assembly and the at least two coil spring members.
  • at least one shaft e.g., the first shaft 605-1 and the second shaft 605-2 in FIG. 6A
  • the accommodation portion 3101 includes the first accommodation portion (e.g., the first accommodation portion 640-1 in FIG. 6A ) and a second accommodation portion different from the first accommodation portion, and one of the at least two coil spring members may be arranged in the first accommodation portion 640-1 and another one of the at least two coil spring members may be arranged in the second accommodation portion.
  • the at least one cam assembly may include a first cam assembly (e.g., the first cam 613 in FIG. 6A ) and a second cam assembly (e.g., the second cam 615 in FIG. 6A ), and in the first accommodation portion 640-1, the at least two coil spring members may be arranged between the first cam assembly 613 and the second cam assembly 615 along the at least one shaft.
  • a first cam assembly e.g., the first cam 613 in FIG. 6A
  • a second cam assembly e.g., the second cam 615 in FIG. 6A
  • the at least two coil spring members may include a first coil spring member (e.g., the first coil spring member 601 in FIG. 6A ) and a second coil spring member (e.g., the second coil spring member 602 in FIG. 6A ), and a center bar bracket (e.g., the center bar bracket 614 in FIG. 6A ) arranged between the first coil spring member 601 and the second coil spring member 602 may be further included.
  • a first coil spring member e.g., the first coil spring member 601 in FIG. 6A
  • a second coil spring member e.g., the second coil spring member 602 in FIG. 6A
  • a center bar bracket e.g., the center bar bracket 614 in FIG. 6A
  • the first coil spring member 601 may be coiled along a first direction
  • the second coil spring member 602 may be coiled along a second direction opposite to the first direction
  • the at least two coil spring members may include a first coil spring member (e.g., the second coil spring member 602 in FIG. 6A ) and a second coil spring member (e.g., the third coil spring member 603 in FIG. 6A ), wherein the first coil spring member 602 is arranged in the first accommodation portion 640-1 along the at least one shaft (e.g., the first shaft 605-1), and the second coil spring member 603 may be arranged in the second accommodation portion along the at least one shaft 605-1.
  • a first coil spring member e.g., the second coil spring member 602 in FIG. 6A
  • a second coil spring member e.g., the third coil spring member 603 in FIG. 6A
  • a cam bracket (e.g., the cam bracket 619 in FIG. 6A ) arranged between the first coil spring member 602 and the second coil spring member 603 may be further included.
  • the cam bracket 619 may be coupled to the first support member 621 and the second support member 622 and may be fixed in position.
  • the hinge device 300 may further include another cam assembly (e.g., the third cam 616 in FIG. 6A ) coupled at least partially to the cam bracket 619 in the second accommodation portion, and a shaft bracket (e.g., the shaft bracket 617 in FIG. 6A ) fixed to the hinge housing 310, and the second coil spring member 603 is arranged between the cam assembly 616 and the shaft bracket 617.
  • another cam assembly e.g., the third cam 616 in FIG. 6A
  • a shaft bracket e.g., the shaft bracket 617 in FIG. 6A
  • the second coil spring member 602 may be repeatedly compressed or relaxed by the pressing force.
  • the at least two coil spring members may include a first coil spring member 601 arranged to correspond to the first support member 621 and a second coil spring member (e.g., the fourth coil spring member 604 in FIG. 8 ) arranged to correspond to the second support member 622, wherein the first coil spring member 601 may be coiled along a first direction, and the second coil spring member 604 may be coiled along a second direction opposite to the first direction.
  • a first coil spring member 601 arranged to correspond to the first support member 621 and a second coil spring member (e.g., the fourth coil spring member 604 in FIG. 8 ) arranged to correspond to the second support member 622, wherein the first coil spring member 601 may be coiled along a first direction, and the second coil spring member 604 may be coiled along a second direction opposite to the first direction.
  • the electronic devices according to various embodiments disclosed in this document may be various types of devices.
  • the electronic device may include, for example, a portable communication device (e.g., smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance.
  • a portable communication device e.g., smart phone
  • a computer device e.g., a personal computer
  • a portable multimedia device e.g., a portable medical device
  • a camera e.g., a portable medical device
  • a wearable device e.g., a portable medical device
  • each of such phrases as “A or B,” “at least one of A and B,” “at least one of A or B,” “A, B, or C,” “at least one of A, B, and C,” or “at least one of A, B, or C” may include any one or all possible combinations of the items enumerated together.
  • Such terms as “1 st ,” “2 nd ,” “first,” or “second” may be used to simply distinguish a corresponding component from another, and does not limit the components in other aspect (e.g., importance or order).
  • an element e.g., a first element
  • operatively or “communicatively”, as “connected to,” or “coupled to” another element
  • the element may be connected to the other element directly (e.g., by wire), wirelessly, or via a third element.
  • each component (e.g., module or program) of the above-described components may include a single entity or multiple entities, and some of the plurality of entities may be disposed separately from other components.
  • one or more of the above-described corresponding components or operations may be omitted, or one or more other components or operations may be added.
  • a plurality of components e.g., modules or programs
  • the integrated single component may still perform one or more functions of the plurality of components in the same or similar manner as they are performed by the corresponding constituent elements among the plurality of constituent elements before being integrated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mathematical Physics (AREA)
  • Telephone Set Structure (AREA)
EP22756490.3A 2021-02-18 2022-02-16 Elektronische vorrichtung mit scharniermodul Pending EP4250693A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210021670A KR20220118045A (ko) 2021-02-18 2021-02-18 힌지 모듈을 포함하는 전자 장치
PCT/KR2022/002293 WO2022177292A1 (ko) 2021-02-18 2022-02-16 힌지 모듈을 포함하는 전자 장치

Publications (2)

Publication Number Publication Date
EP4250693A1 true EP4250693A1 (de) 2023-09-27
EP4250693A4 EP4250693A4 (de) 2024-05-22

Family

ID=82800709

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22756490.3A Pending EP4250693A4 (de) 2021-02-18 2022-02-16 Elektronische vorrichtung mit scharniermodul

Country Status (2)

Country Link
US (1) US20220264756A1 (de)
EP (1) EP4250693A4 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11809239B2 (en) * 2020-05-27 2023-11-07 Samsung Electronics Co., Ltd. Arm structure, hinge structure including the arm structure, and electronic device including the same
CN117759619A (zh) * 2022-09-26 2024-03-26 华为技术有限公司 折叠装置及可折叠电子设备

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102202228B1 (ko) * 2014-06-11 2021-01-13 삼성전자 주식회사 플렉서블 디스플레이를 포함하는 전자 장치
CN111556931B (zh) * 2018-04-17 2021-10-15 华为技术有限公司 开合机构及电子设备

Also Published As

Publication number Publication date
EP4250693A4 (de) 2024-05-22
US20220264756A1 (en) 2022-08-18

Similar Documents

Publication Publication Date Title
EP3906543B1 (de) Faltbare elektronische vorrichtung mit integrierter massestruktur
EP3364635B1 (de) Faltbares mobiles endgerät
EP4250693A1 (de) Elektronische vorrichtung mit scharniermodul
US11792947B2 (en) Electronic device including flexible display
US11101564B2 (en) Electronic device including antenna structure installable in narrow space
EP4185084A1 (de) Verfahren und elektronische vorrichtung zur verbesserung der antennenleistung
KR20200101153A (ko) 듀얼 디스플레이를 포함하는 전자 장치
EP4239439A1 (de) Elektronische vorrichtung mit entladungsstruktur zum verbinden statischer elektrizität mit der masse
EP4198953A1 (de) Elektronische vorrichtung zur reduzierung von glasbeschädigungen
KR20220055218A (ko) 안테나 성능을 향상시키는 방법 및 전자 장치
EP4318182A1 (de) Elektronische vorrichtung mit anzeigeträgerstruktur
KR20220017111A (ko) 전자 장치의 방수 구조 및 이를 포함하는 전자 장치
US20230094909A1 (en) Foldable electronic device including display protection structure
CN117796165A (zh) 具有防水结构的电子装置
US20230371191A1 (en) Electronic device including breakage prevention structure
WO2022177292A1 (ko) 힌지 모듈을 포함하는 전자 장치
US20230081984A1 (en) Foldable electronic device including flexible printed circuit board
KR102652785B1 (ko) 디스플레이 지지 구조를 포함하는 전자 장치
EP4372520A1 (de) Faltbare elektronische vorrichtung
KR20240050193A (ko) 힌지 장치를 포함하는 전자 장치
US20230047246A1 (en) Flexible display module including shielding structure and waterproof structure and electronic device including the same
EP4346193A1 (de) Anzeigemodul und elektronische vorrichtung damit
KR20210145395A (ko) 압력 센서 모듈을 포함하는 전자 장치
KR20240081243A (ko) 방수 구조를 포함하는 전자 장치
CN117882027A (zh) 可折叠电子装置

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20230623

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20240419

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RIC1 Information provided on ipc code assigned before grant

Ipc: G06F 1/16 20060101ALI20240415BHEP

Ipc: F16C 11/04 20060101ALI20240415BHEP

Ipc: H04M 1/02 20060101AFI20240415BHEP